html, body, .container-fluid, .container-full{
    width: 100%;
    height: 100%;
    margin: 0;
    padding:0;
}
/*.landingbg{
    background: url("../images/LANDING-PAGE-01.jpg") no-repeat scroll center center / cover  rgba(0, 0, 0, 0);
    display: block;
    height: 100%;
    position: relative;
    width: 100%;
    background-clip:content-box;
}*/
.full-page{
    position: relative;
}
.container-full{
    width: 100%;
    height: 100%;
}
.mp3-open {
    position: absolute;
    right: 0;
    z-index: 999;
}
.mp3-open iframe{
    border: 0;
}
.container-full img, img {
    display: block;
    width: 100%;
    height: auto;
    border: none;
}
.mobile{
    display: none;
}
.effect-sparkle {
    background-image: url(https://event.huongnghiepaau.com/wp-content/uploads/2020/11/sparkle1.png),url(https://event.huongnghiepaau.com/wp-content/uploads/2020/11/sparkle2.png);
    animation: sparkle 60s linear infinite;
}
.fill-effect {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    right: 0;
    bottom: 0;
    z-index: 5;
    padding: 0 !important;
    margin: 0 !important;
}
#button-top {
    display: inline-block;
    background-color: #f07526;
    width: 50px;
    height: 50px;
    text-align: center;
    border-radius: 4px;
    position: fixed;
    bottom: 100px;
    right: 15px;
    transition: background-color .3s,
    opacity .5s, visibility .5s;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}
#button-top::after {
    content: "\f077";
    font-family: FontAwesome;
    font-weight: normal;
    font-style: normal;
    font-size: 2em;
    line-height: 50px;
    color: #fff;
}
#button-top:hover {
    cursor: pointer;
    background-color: #f805d6;
    text-decoration: none;
}
#button-top:active {
    background-color: #555;
}
#button-top.show {
    opacity: 1;
    visibility: visible;
}
@media (max-width: 499px) {
    .desktop{
        display: none;
    }
    .mobile{
        display: block;
    }
    #button-top {
        bottom: 10px;
        right: 10px;
    }
}
@keyframes sparkle{
    0%{background-position:0px 0px, 0px 0px, 0px 0px}
    100%{background-position:-500px -1000px, -400px -400px, 300px 300px}
}